Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Face-to-face
  • With pressed cage
>

Bearing No. 7308DF

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)90
B(mm)46
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)99.1
Basic load ratings : C0r(kN)65.9
Fatigue load limit : Cu(kN)4.60
factor : f0()-
Limiting speeds(Grease lub.)(min-1)5900
Limiting speeds(Oil lub.)(min-1)7300
Load center spread : a(mm)14.5

Mounting dimensions

da(min.)(mm)
db(min.)(mm)45.5
Da(max.)(mm)81.5
ra(max.)(mm)1.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 1.31
JTEKT

2025/06/01